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Finding the Fourth Proportional to 32,696.98, 45,122.70 and 18,551.95

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Solution

The fourth proportional to 32,696.98, 45,122.70 and 18,551.95 is: 25,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,696.98 : 45,122.70 = 18,551.95 : x
  2. Step 2: Convert to fraction form
    32,696.98/45,122.70 = 18,551.95/x
  3. Step 3: Cross multiply
    32,696.98x = 45,122.70 × 18,551.95
  4. Step 4: Simplify right side
    32,696.98x = 837,114,031.03
  5. Step 5: Solve for x
    x = 837,114,031.03/32,696.98
  6. Step 6: Final answer
    x = 25,602.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.